You searched for: “hebdomads
hebdomad (s) (noun), hebdomads (pl)
1. A group of seven or seven days: "The hebdomads are regular features of calendars around the world."

"Monday to Sunday or Sunday to Saturday are the sequences of days in a hebdomad."

2. Etymology: the number seven, from Late Latin hebdomas; which came from Greek hebdomos, "seventh"; from hepta, "seven".
This entry is located in the following unit: hepta-, hept- (page 1)